Question

what is mean by formula

Answer 1

formula , is the relation between two different thing . this is used to find out one which is unknown by one which is known .
example :- area of circle =πr²
here we see radius and area of circle joint with relation that relation is known as formula.

Answer 2

In mathematics, formula can simply be said as a procedure to attain or get the result.

Formula can also be said as a system or a rule expressed in the form of symbols. The plural of formula is formulae.

For e.g. - The formula for circumference of circle is 2$\pi$r